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| author | Felix Willgerodt <felix.willgerodt@intel.com> | 2023-06-28 10:15:04 +0200 |
|---|---|---|
| committer | Felix Willgerodt <felix.willgerodt@intel.com> | 2024-09-24 14:22:28 +0200 |
| commit | 13b3a89bc272ded10242e3359bc0871e99338e6c (patch) | |
| tree | 52e34dd924f471a23727c1039df906ae9e413f24 /gdbsupport | |
| parent | 48bc2f1c65751a87d6212e1241b45fc8640f0f83 (diff) | |
| download | binutils-13b3a89bc272ded10242e3359bc0871e99338e6c.zip binutils-13b3a89bc272ded10242e3359bc0871e99338e6c.tar.gz binutils-13b3a89bc272ded10242e3359bc0871e99338e6c.tar.bz2 | |
btrace: Enable event tracing on Linux for Intel PT.
Event tracing allows GDB to show information about interesting asynchronous
events when tracing with Intel PT. Subsequent patches will add support for
displaying each type of event.
Enabling event-tracing unconditionally would result in rather noisy output, as
breakpoints themselves result in interrupt events. Which is why this patch adds
a set/show command to allow the user to enable/disable event-tracing before
starting a recording. The event-tracing setting has no effect on an already
active recording. The default setting is off. As event tracing will use the
auxiliary infrastructure added by ptwrite, the user can still disable printing
events, even when event-tracing was enabled, by using the /a switch for the
record instruction-history/function-call-history commands.
Reviewed-By: Eli Zaretskii <eliz@gnu.org>
Approved-By: Markus Metzger <markus.t.metzger@intel.com>
Diffstat (limited to 'gdbsupport')
| -rw-r--r-- | gdbsupport/btrace-common.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/gdbsupport/btrace-common.h b/gdbsupport/btrace-common.h index 967c673..490a176 100644 --- a/gdbsupport/btrace-common.h +++ b/gdbsupport/btrace-common.h @@ -123,6 +123,9 @@ struct btrace_config_pt If both gdb and gdbserver support this, gdb will try to enable ptwrite packets when tracing is started. */ bool ptwrite; + + /* Event tracing setting. */ + bool event_tracing; }; /* A branch tracing configuration. |